IFI

521 - SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
      SERIES (IPC C08J, C08G)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

IMPERIAL CHEMICAL INDUSTRIES LTD GB
         13     4    13    10    11     4    10     6     7     6     84
MORTON INTERNATIONAL INC
          1     6     0     0     0     0     0     0     0     0      7
DAIKIN KOGYO CO LTD JP
          0     1     1     1     0     0     0     0     1     0      4
DSM N V NL
          0     1     0     1     1     1     0     0     0     0      4
PPG INDUSTRIES INC
          0     2     1     0     1     0     0     0     0     0      4
ALBEMARLE CORP
          0     2     1     0     0     0     0     0     0     0      3
WACKER-CHEMIE GMBH DE
          0     1     0     0     0     1     0     0     0     0      2
ATLANTIC RICHFIELD CO
          0     0     0     0     1     0     0     0     0     0      1
CHISSO CORP JP
          0     0     0     0     0     0     0     1     0     0      1
HITACHI CHEMICAL CO LTD JP
          0     0     0     0     1     0     0     0     0     0      1
IDEMITSU KOSAN CO LTD JP
          0     0     0     0     0     0     0     0     0     1      1
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
          0     1     0     0     0     0     0     0     0     0      1
MARYLAND, UNIVERSITY OF
          0     1     0     0     0     0     0     0     0     0      1
NITTO DENKO CORP JP
          0     0     1     0     0     0     0     0     0     0      1
PENN STATE RESEARCH FOUNDATION THE
          1     0     0     0     0     0     0     0     0     0      1
PITTSBURGH, UNIVERSITY OF
          1     0     0     0     0     0     0     0     0     0      1
RHONE-POULENC CHIMIE FR
          0     0     1     0     0     0     0     0     0     0      1
YEDA RESEARCH & DEVELOPMENT CO LTD IL
          0     1     0     0     0     0     0     0     0     0      1

Total    16    20    18    12    15     6    10     7     8     7    119